X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=fs%2Fceph%2Fmds_client.h;h=af3b25e59e90de71dfe571b7f988246d5d4fbe4e;hb=08796873a5183bfaab52a3bd899fe82f9e64be94;hp=32fcce0d4d3cbbc47a106b0297a61aa39f6c6e84;hpb=e704966c45e48d0220d1ee5e463034ae493a95b2;p=linux-2.6-microblaze.git

diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 32fcce0d4d3c..af3b25e59e90 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -17,14 +17,19 @@
 #include <linux/ceph/auth.h>
 
 /* The first 8 bits are reserved for old ceph releases */
-#define CEPHFS_FEATURE_MIMIC    8
-
-#define CEPHFS_FEATURES_ALL {           \
-  0, 1, 2, 3, 4, 5, 6, 7,		\
-  CEPHFS_FEATURE_MIMIC,                 \
+#define CEPHFS_FEATURE_MIMIC		8
+#define CEPHFS_FEATURE_REPLY_ENCODING	9
+#define CEPHFS_FEATURE_RECLAIM_CLIENT	10
+#define CEPHFS_FEATURE_LAZY_CAP_WANTED	11
+#define CEPHFS_FEATURE_MULTI_RECONNECT  12
+
+#define CEPHFS_FEATURES_CLIENT_SUPPORTED { 	\
+	0, 1, 2, 3, 4, 5, 6, 7,			\
+	CEPHFS_FEATURE_MIMIC,			\
+	CEPHFS_FEATURE_REPLY_ENCODING,		\
+	CEPHFS_FEATURE_LAZY_CAP_WANTED,		\
+	CEPHFS_FEATURE_MULTI_RECONNECT,		\
 }
-
-#define CEPHFS_FEATURES_CLIENT_SUPPORTED CEPHFS_FEATURES_ALL
 #define CEPHFS_FEATURES_CLIENT_REQUIRED {}
 
 
@@ -63,6 +68,7 @@ struct ceph_mds_reply_info_in {
 	char *pool_ns_data;
 	u64 max_bytes;
 	u64 max_files;
+	s32 dir_pin;
 };
 
 struct ceph_mds_reply_dir_entry {
@@ -150,6 +156,7 @@ struct ceph_mds_session {
 	int               s_mds;
 	int               s_state;
 	unsigned long     s_ttl;      /* time until mds kills us */
+	unsigned long	  s_features;
 	u64               s_seq;      /* incoming msg seq # */
 	struct mutex      s_mutex;    /* serialize session messages */
 
@@ -177,7 +184,7 @@ struct ceph_mds_session {
 	unsigned long     s_renew_requested; /* last time we sent a renew req */
 	u64               s_renew_seq;
 
-	refcount_t          s_ref;
+	refcount_t        s_ref;
 	struct list_head  s_waiting;  /* waiting requests */
 	struct list_head  s_unsafe;   /* unsafe requests */
 };
@@ -308,6 +315,15 @@ struct ceph_pool_perm {
 	char pool_ns[];
 };
 
+struct ceph_snapid_map {
+	struct rb_node node;
+	struct list_head lru;
+	atomic_t ref;
+	u64 snap;
+	dev_t dev;
+	unsigned long last_used;
+};
+
 /*
  * mds client state
  */
@@ -339,6 +355,7 @@ struct ceph_mds_client {
 	struct rw_semaphore     snap_rwsem;
 	struct rb_root          snap_realms;
 	struct list_head        snap_empty;
+	int			num_snap_realms;
 	spinlock_t              snap_empty_lock;  /* protect snap_empty */
 
 	u64                    last_tid;      /* most recent mds request */
@@ -384,6 +401,10 @@ struct ceph_mds_client {
 	struct list_head  dentry_lru;
 	int		  num_dentry;
 
+	spinlock_t		snapid_map_lock;
+	struct rb_root		snapid_map_tree;
+	struct list_head	snapid_map_lru;
+
 	struct rw_semaphore     pool_perm_rwsem;
 	struct rb_root		pool_perm_tree;